SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/ham-f-region-6-10m

At the peak of the sunspot cycle, which bands may give long-distance contacts via the F region?

6 and 10 meters.

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  1. 6 and 10 meters ✔
  2. 70 centimeters and 1.25 meters
  3. 23 centimeters

Why: At a sunspot peak, the F region can bend signals as high as the 6-meter band back to Earth. Higher bands like 70 centimeters usually pass right through.

Huh, didn't know that: Hams nickname 6 meters the Magic Band because of its surprise openings.

The dad joke
6 meters is called the Magic Band. Mostly because it disappears for years at a time.
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References

Answer: 6 and 10 meters. At a sunspot peak, the F region can bend signals as high as the 6-meter band back to Earth. Higher bands like 70 centimeters usually pass right through.

  1. HamStudy 2026 Technician pool, T3C10 hamstudy.org/browse/E2_2026/T3C
    6 and 10 meters
    Checked 2026-10-09.

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